# SDR DXTA2026010706455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2026
- Submitted: January 7, 2026
- Operation: Air carrier
- Aircraft: [N187QS](https://openairdocs.org/aircraft/N187QS), registered now
- Make and model: Bombdr BD7001A12
- Aircraft serial: 70190
- Aircraft time: 1,119 hours, 388 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Motor
- Part number: 900084953
- Part serial: MAY235817
- Condition: Faulted
- Location: Brake Sys
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026010706455

## Discrepancy

BEFORE LANDING WE RECEIVED AMBER CAS MESSAGE AUTOBRAKE FAIL & ASSOCIATED INFO MESSAGE 32 BRAKE - PRESS TRANSDUCER INOP WITH TWO ASSOCIATED MAINTENANCE MESSAGES ABOUT LEFT OUTBOARD AND RIGHT OUTBOARD TRANSDUCERS BEING INOP. CORRECTIVE ACTION: RECIEVED MODIFIED BRAKE CONTROL UNIT (PN: 90008495-3, SN: JAN20-5437). GAINED ACCESS TO AIRCRAFT AND REMOVED RH KIDNEY PANEL FOR ACCESS TO BCU. REMOVED AND REPLACED BRAKE CONTROL UNIT IAW GL7500 AMP REF. 32-43-01. PERFORMED OPERATIONAL TEST OF THE BRAKE CONTROL UNIT IAW GL7500 AMP REF. 32-43-01, OPS CHECK GOOD. CLOSED RH KIDNEY AND AVIONCS BELLY PANEL. RETURNED AIRCRAFT BACK TO NORMAL CONFIG.PN OFF: 90008495-3 SN OFF: MAY23-5817 PN ON: 90008495-3 SN ON: JAN20-5437

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